Manual

16
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Perform all inspection procedures listed in 6-month inspection. Pump out sludge in the rst and second chambers (if necessary).
If the maximum sludge accumulation has been reached, see description in 6-month inspection.
Make sure to remove the scum on top layer rst, then pump out the sludge of each chamber.
INSPECTION AND MAINTENANCE - PUMPING AS NEEDED
Figure 22 - Pump out procedures
Step 1: Remove the scum.
Step 2: Remove the sludge
1) 2)
Sedimentation/separation tank
Vacuum
Step 1: Remove the scum.
Step 2: Remove the sludge
on the lter media.
Step 3: Remove the sludge
under the media while washing
the lter with tap water.
1)
Anaerobic lter tank
Vacuum
Tap water
2)
3)
ATTENTION: Remove the scum rst. If you remove the sludge rst, the water
level will decrease and the anaerobic lter will be blocked by the scum.
Figure 23 - Cleaning of anaerobic lter tank, remove all scum and sludge.